8414540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 18500832

約数和(自身を除く): 10086292

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 137, 148, 166, 185, 274, 332, 370, 415, 548, 685, 740, 830, 1370, 1660, 2740, 3071, 5069, 6142, 10138, 11371, 12284, 15355, 20276, 22742, 25345, 30710, 45484, 50690, 56855, 61420, 101380, 113710, 227420, 420727, 841454, 1682908, 2103635, 4207270, 8414540]

約数ペア:

[(1, 8414540), (2, 4207270), (4, 2103635), (5, 1682908), (10, 841454), (20, 420727), (37, 227420), (74, 113710), (83, 101380), (137, 61420), (148, 56855), (166, 50690), (185, 45484), (274, 30710), (332, 25345), (370, 22742), (415, 20276), (548, 15355), (685, 12284), (740, 11371), (830, 10138), (1370, 6142), (1660, 5069), (2740, 3071)]